.card {
    height: 100vh;
    background-color: red;
}

.cardimg {
    height: 50vh;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

.cardimg.cxy {
    background-image: url(../../img/banner/home_1.png);
}

.cardimg.bp {
    background-image: url(../../img/banner/home_2.png);
}

.cardimg.xydh {
    background-image: url(../../img/banner/home_3.png);
}

.cardimg.tscx {
    background-image: url(../../img/banner/home_4.png);
}

.cardcontain {
    float: left;
    width: 100%;
    height: 50vh;
    text-align: center;
    background-color: #fff;
}

.cardcontain h3 {
    margin-top: 64px;
    font-size: 36px;
    color: #333333;
}

.cardcontain h4 {
    margin-top: 32px;
    font-size: 26px;
    color: #5A5A5A;
}

.cardcontain input[type="button"] {
    width: 144px;
    height: 48px;
    outline: none;
    border: 2px solid #000;
    background-color: #FFFFFF;
    margin-top: 52px;
    font-size: 16px;
    color: #5A5A5A;
}

.cardcontain input[type="button"]:hover {
    cursor: pointer;
    color: #333333;
}

/* 为 iphone5 等窄屏手机调样式 */

@media screen and (max-height: 666px) {
    .cardcontain h3 {
        margin-top: 32px;
    }

    .cardcontain h4 {
        margin-top: 32px;
    }

    .cardcontain input[type="button"] {
        margin-top: 26px;
    }
}

/* 第一页 */

.csp1 {
    margin-top: 72px;
    font-size: 64px;
    line-height: 72px;
    font-family: "extra light";
    font-weight: 100;
    color: #FFFFFF;
    text-align: center;
}

.csp1 .c {
    display: block;
    margin: 0 0 12.5px 0;
}

.csp1 .s {
    display: block;
}

.csp2 {
    margin-top: 72px;
    font-size: 18px;
    color: #fff;
    letter-spacing: 0.9px;
    white-space: 200;
    font-family: 'light';
    text-align: center;
}

.csp2 span:first-child {
    display: block;
}

#indexDown {
    display: block !important;
    position: absolute;
    top: 86vh;
    width: 100%;
    cursor: pointer;
    margin: 0 auto;
}